expert Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [13, 8] → [9, _, _]

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Answer: Row3[3]=4, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [13,8]
  • [9,4,4]
Base
  • 9
  • 4
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 16] → [7, _, 9]

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Answer: Row1[1]=30, Row3[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [14,16]
  • [7,7,9]
Base
  • 7
  • 7
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [4, 13] → [_, _, 10]

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Answer: Row3[1]=1, Row3[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [4,13]
  • [1,3,10]
Base
  • 1
  • 3
  • 10
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 13] → [9, _, 9]

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Answer: Row1[1]=26, Row3[2]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [13,13]
  • [9,4,9]
Base
  • 9
  • 4
  • 9
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":1,"v":4}